74138050
Feb 11, 1991
Feb 9, 1993
computer software and hardware for direct and telephone communicating, record keeping and status reporting, report generating and remote controlling among petroleum refineries, chemical plants and industrial locations where liquid additives are injected into process streams, and main offices and geographically remote terminals and liquid additive injectors at remote gasoline pipeline facilities and truck loading terminals, and for reporting liquid flow totals, additive totals, and additive controller operations
Electrical and Scientific Apparatus